LayerMeasurements Class Reference

#include <LayerMeasurements.h>

Public Member Functions
void	addInvalidMeas (std::vector< TrajectoryMeasurement > &measVec, const DetGroup &group, const DetLayer &layer) const
std::vector < TrajectoryMeasurementGroup >	groupedMeasurements (const DetLayer &layer, const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const
	LayerMeasurements (const MeasurementDetSystem *detSysytem)
std::vector < TrajectoryMeasurement >	measurements (const DetLayer &layer, const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const

Private Attributes
const MeasurementDetSystem *	theDetSystem

Detailed Description

Definition at line 16 of file LayerMeasurements.h.

Constructor & Destructor Documentation

LayerMeasurements::LayerMeasurements ( const MeasurementDetSystem *  detSysytem )

inline

Definition at line 19 of file LayerMeasurements.h.

                                                             :
    theDetSystem (detSysytem) {}

Member Function Documentation

void LayerMeasurements::addInvalidMeas	(	std::vector< TrajectoryMeasurement > &	measVec,
		const DetGroup &	group,
		const DetLayer &	layer
	)		const

Definition at line 108 of file LayerMeasurements.cc.

References InvalidTransientRecHit::build(), and TrackingRecHit::missing.

{
  if (!measVec.empty()) {
    // invalidMeas on Det of most compatible hit
    measVec.push_back( TrajectoryMeasurement( measVec.front().predictedState(), 
                          InvalidTransientRecHit::build(measVec.front().recHit()->det(), TrackingRecHit::missing),
                          0.,&layer));
  }
  else if (!group.empty()) {
    // invalid state on first compatible Det
    measVec.push_back( TrajectoryMeasurement( group.front().trajectoryState(), 
                          InvalidTransientRecHit::build(group.front().det(), TrackingRecHit::missing), 0.,&layer));
  }
}

vector< TrajectoryMeasurementGroup > LayerMeasurements::groupedMeasurements	(	const DetLayer &	layer,
		const TrajectoryStateOnSurface &	startingState,
		const Propagator &	prop,
		const MeasurementEstimator &	est
	)		const

Definition at line 50 of file LayerMeasurements.cc.

References InvalidTransientRecHit::build(), GeometricSearchDet::compatible(), end, MeasurementDet::fastMeasurements(), GeometricSearchDet::groupedCompatibleDets(), TrackingRecHit::inactive, LogDebug, TrackingRecHit::missing, query::result, python.multivaluedict::sort(), and tmp.

{
  vector<TrajectoryMeasurementGroup> result;

  vector<DetGroup> groups( layer.groupedCompatibleDets( startingState, prop, est));
  result.reserve(groups.size());
  for (vector<DetGroup>::const_iterator grp=groups.begin(); grp!=groups.end(); grp++) {
    if ( grp->empty() )  continue;

    vector<TrajectoryMeasurement> tmpVec;
    for (DetGroup::const_iterator idet=grp->begin(); idet!=grp->end(); idet++) {
      const MeasurementDet* mdet = theDetSystem->idToDet(idet->det()->geographicalId());
      if (mdet == 0) {
    throw MeasurementDetException( "MeasurementDet not found");
      }      
      vector<TrajectoryMeasurement> tmp = 
    mdet->fastMeasurements( idet->trajectoryState(), startingState, prop, est);
      if (!tmp.empty()) {
    // only collect valid RecHits
    std::vector<TrajectoryMeasurement>::iterator end = 
                (tmp.back().recHit()->getType() != TrackingRecHit::missing ? 
                    tmp.end() : 
                    tmp.end()-1);
    tmpVec.insert( tmpVec.end(), tmp.begin(), end);
      }
    }

    vector<TrajectoryMeasurement> tmpVec2;
    tmpVec2.reserve(tmpVec.size());
    for(vector<TrajectoryMeasurement>::const_iterator tmpIt=tmpVec.begin();tmpIt!=tmpVec.end();tmpIt++){
      LogDebug("LayerMeasurements")<<"[grouped] temporaryly adding a measurement which rechit is: "<<(tmpIt->recHit()->isValid()?"valid":"invalid");
      tmpVec2.push_back(  TrajectoryMeasurement(tmpIt->predictedState(),tmpIt->recHit(),tmpIt->estimate(),&layer)  );
    }


    // sort the final result
    if ( static_cast<int>(tmpVec2.size()) > 1) {
      sort( tmpVec2.begin(), tmpVec2.end(), TrajMeasLessEstim());
    }
    addInvalidMeas( tmpVec2, *grp,layer); 
    result.push_back( TrajectoryMeasurementGroup( tmpVec2, *grp));
  }

  // if the result is empty check if the layer is compatible (for invalid measurement)
  if (result.empty()) {
    pair<bool, TrajectoryStateOnSurface> compat = layer.compatible( startingState, prop, est);
    if ( compat.first) {
      TrajectoryMeasurement inval( compat.second, InvalidTransientRecHit::build(0, TrackingRecHit::inactive,&layer), 0.F,&layer);
      vector<TrajectoryMeasurement> tmVec(1,inval);
      result.push_back( TrajectoryMeasurementGroup( tmVec, DetGroup()));
    }
  }
  return result;
}

vector< TrajectoryMeasurement > LayerMeasurements::measurements	(	const DetLayer &	layer,
		const TrajectoryStateOnSurface &	startingState,
		const Propagator &	prop,
		const MeasurementEstimator &	est
	)		const

Definition at line 14 of file LayerMeasurements.cc.

References InvalidTransientRecHit::build(), GeometricSearchDet::compatible(), GeometricSearchDet::compatibleDets(), GeometricSearchDetMeasurements::get(), TrackingRecHit::inactive, LogDebug, and query::result.

Referenced by HitEff::analyze(), MuonCkfTrajectoryBuilder::collectMeasurement(), OutInConversionSeedFinder::completeSeed(), InOutConversionSeedFinder::completeSeed(), CkfTrajectoryBuilder::findCompatibleMeasurements(), HICTrajectoryBuilder::findCompatibleMeasurements(), TSGFromPropagation::findMeasurements(), FastTSGFromPropagation::findMeasurements(), NuclearInteractionFinder::findMeasurementsFromTSOS(), SiStripElectronSeedGenerator::findSeedsFromCluster(), CosmicTrackingRegion::hits(), RectangularEtaPhiTrackingRegion::hits(), PixelMatchNextLayers::PixelMatchNextLayers(), and OutInConversionSeedFinder::startSeed().

{
  typedef DetLayer::DetWithState   DetWithState;
  vector<DetWithState> compatDets = layer.compatibleDets( startingState, prop, est);

  vector<TrajectoryMeasurement> result;
  if (compatDets.empty()) {
    pair<bool, TrajectoryStateOnSurface> compat =
      layer.compatible( startingState, prop, est);
    

    if ( compat.first) {
      result.push_back( TrajectoryMeasurement( compat.second, 
                           InvalidTransientRecHit::build(0, TrackingRecHit::inactive,&layer), 0.F,
                           &layer));
      LogDebug("LayerMeasurements")<<"adding a missing hit.";
    }else LogDebug("LayerMeasurements")<<"adding not measurement.";
    return result;
  }

  GeometricSearchDetMeasurements gsdm( theDetSystem);
  vector<TrajectoryMeasurement> tmpResult = gsdm.get( layer, compatDets, startingState, prop, est);

  for(vector<TrajectoryMeasurement>::const_iterator tmpIt=tmpResult.begin();tmpIt!=tmpResult.end();tmpIt++){
    LogDebug("LayerMeasurements")<<"adding a measurement which rechit is: "<<(tmpIt->recHit()->isValid()?"valid":"invalid");
    result.push_back(  TrajectoryMeasurement(tmpIt->predictedState(),tmpIt->recHit(),tmpIt->estimate(),&layer)  );
  }
  
  return result;
}

Member Data Documentation

const MeasurementDetSystem* LayerMeasurements::theDetSystem

private

Definition at line 41 of file LayerMeasurements.h.